target/linux/generic/backport-5.10/775-v5.18-05-net-phy-at803x-fix-error-return-code-in-at803x_probe.patch

   1 From 1f0dd412e34e177621769866bef347f0b22364df Mon Sep 17 00:00:00 2001
   2 From: Wei Yongjun <weiyongjun1@huawei.com>
   3 Date: Fri, 18 Nov 2022 10:36:35 +0000
   4 Subject: [PATCH] net: phy: at803x: fix error return code in at803x_probe()
   5
   6 Fix to return a negative error code from the ccr read error handling
   7 case instead of 0, as done elsewhere in this function.
   8
   9 Fixes: 3265f4218878 ("net: phy: at803x: add fiber support")
  10 Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
  11 Reviewed-by: Andrew Lunn <andrew@lunn.ch>
  12 Link: https://lore.kernel.org/r/20221118103635.254256-1-weiyongjun@huaweicloud.com
  13 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
  14 ---
  15  drivers/net/phy/at803x.c | 4 +++-
  16  1 file changed, 3 insertions(+), 1 deletion(-)
  17
  18 --- a/drivers/net/phy/at803x.c
  19 +++ b/drivers/net/phy/at803x.c
  20 @@ -726,8 +726,10 @@ static int at803x_probe(struct phy_devic
  21                 int ccr = phy_read(phydev, AT803X_REG_CHIP_CONFIG);
  22                 int mode_cfg;
  23
  24 -               if (ccr < 0)
  25 +               if (ccr < 0) {
  26 +                       ret = ccr;
  27                         goto err;
  28 +               }
  29                 mode_cfg = ccr & AT803X_MODE_CFG_MASK;
  30
  31                 switch (mode_cfg) {